6655628736 has 70 divisors (see below), whose sum is σ = 19729383960. Its totient is φ = 2218541184.

The previous prime is 6655628729. The next prime is 6655628737. The reversal of 6655628736 is 6378265566.

It is a happy number.

6655628736 is a `hidden beast` number, since 6 + 6 + 5 + 5 + 628 + 7 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655628737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 636756 + ... + 647123.

Almost surely, 2^6655628736 is an apocalyptic number.

It is an amenable number.

6655628736 is an abundant number, since it is smaller than the sum of its proper divisors (13073755224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655628736 is a wasteful number, since it uses less digits than its factorization.

6655628736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283903 (or 1283884 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 6655628736 is about 81582.0368463548. The cubic root of 6655628736 is about 1881.0327749301.

The spelling of 6655628736 in words is "six billion, six hundred fifty-five million, six hundred twenty-eight thousand, seven hundred thirty-six".